Cheap Yellow Display1
ESP32-CAM1
M5StickC Plus21
ESP32-S3 DevKit2
ESP32-C3 SuperMini1
LilyGO T-Display1
Board photobitcoinSwitch
Relay switch that turns on when someone pays a Lightning invoice: vending machines, arcade games, lights.SolderingAbout 20 min
2 boardsBesides the board: Relay module 3.3 V or 5 VCan be built in an eveningYour project could be here
Point Chipnik at your GitHub repository and it picks up the releases. People get a Flash button for their board.